Note 6 - Prepayments and Deposit to Suppliers - Prepayments and Deposit to Suppliers (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Prepayment and deposit to suppliers	$ 4,505	$ 4,567
Deposits to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	911	1,077
Prepayment to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	3,136	3,036
Deposits and Prepayments for Potential Investing Contracts [Member]
Prepayment and deposit to suppliers	0	0
Other Deposits and Prepayments [Member]
Prepayment and deposit to suppliers	$ 458	$ 454